GB600109A - Improvements in and relating to asbestos products and method of preparation - Google Patents

Improvements in and relating to asbestos products and method of preparation

Info

Publication number
GB600109A
GB600109A GB25399/45A GB2539945A GB600109A GB 600109 A GB600109 A GB 600109A GB 25399/45 A GB25399/45 A GB 25399/45A GB 2539945 A GB2539945 A GB 2539945A GB 600109 A GB600109 A GB 600109A
Authority
GB
United Kingdom
Prior art keywords
hydroxide
chloride
dielectric material
convert
drying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB25399/45A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB600109A publication Critical patent/GB600109A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/06—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances asbestos

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Aftertreatments Of Artificial And Natural Stones (AREA)

Abstract

The tensile strength of a dielectric material consisting essentially of asbestos, and which may contain a minor proportion of a colloidal clay, such as bentonite, is increased by impregnating the material with an aqueous solution of a chloride of an alkaline earth metal or of zinc, aluminium or tin, drying the impregnated material and exposing it to the action of an alkaline solution comprising ammonia or an amine to convert the chloride to hydroxide in the body of the dielectric material, drying the dielectric material, and subjecting it to an elevated temperature to convert the hydroxide to oxide in situ. The concentration of the aqueous solution of the chloride may vary from 5 per cent to saturation and the conversion of hydroxide to oxide may be accomplished at about 175 degrees C. Specification 600,110 is referred to.
GB25399/45A 1944-10-04 1945-10-01 Improvements in and relating to asbestos products and method of preparation Expired GB600109A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US600109XA 1944-10-04 1944-10-04

Publications (1)

Publication Number Publication Date
GB600109A true GB600109A (en) 1948-03-31

Family

ID=22026759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25399/45A Expired GB600109A (en) 1944-10-04 1945-10-01 Improvements in and relating to asbestos products and method of preparation

Country Status (1)

Country Link
GB (1) GB600109A (en)

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